Home / 88,579,626.40-132,869,439.60-80,076,570.40

Finding the Fourth Proportional to 88,579,626.40, 132,869,439.60 and 80,076,570.40

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Solution

The fourth proportional to 88,579,626.40, 132,869,439.60 and 80,076,570.40 is: 120,114,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,626.40 : 132,869,439.60 = 80,076,570.40 : x
  2. Step 2: Convert to fraction form
    88,579,626.40/132,869,439.60 = 80,076,570.40/x
  3. Step 3: Cross multiply
    88,579,626.40x = 132,869,439.60 × 80,076,570.40
  4. Step 4: Simplify right side
    88,579,626.40x = 10,639,729,034,137,948
  5. Step 5: Solve for x
    x = 10,639,729,034,137,948/88,579,626.40
  6. Step 6: Final answer
    x = 120,114,855.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.